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A016072
Obsolete sequence of lower bounds for A028444.
0
1, 4, 6, 13, 501, 2075
OFFSET
0,2
REFERENCES
Dewdney, "The Armchair Universe," p. 164.
CROSSREFS
Sequence in context: A246424 A012776 A240198 * A335163 A365963 A095867
KEYWORD
nonn
STATUS
approved